# 疯狂猜歌王 for  周杰伦 vs 知識問答測驗

The clearest difference is in-app purchases: 疯狂猜歌王 for  周杰伦 at none against 知識問答測驗's 1. 疯狂猜歌王 for  周杰伦 also leads on ads (none vs shown) and iOS requirement (7.0 vs 15.0). 知識問答測驗's advantage is update cadence (every 4 days vs weekly). On price and device support there is nothing between them.

Both are free to download. 知識問答測驗 sells 1 one-off in-app purchase. 疯狂猜歌王 for  周杰伦 asks for nothing beyond the download.

疯狂猜歌王 for  周杰伦 ships an update weekly, 知識問答測驗 every 4 days. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 疯狂猜歌王 for  周杰伦 | 知識問答測驗 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (19 ratings)](https://appshunter.io/ios/app/for/id1207848785/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | — |
| Size | 48 MB | 61 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [丰 连](https://appshunter.io/developer/827784161) | [Kwok Chun Hin](https://appshunter.io/developer/446734044) |

## What reviewers say

### 疯狂猜歌王 for  周杰伦

[App page](https://appshunter.io/ios/app/for/id1207848785)

Test your knowledge of Jay Chou's music with this challenging guessing game. Progress through hundreds of levels across four fan tiers, enjoying his iconic songs.

**Highlights:** Jay Chou song trivia, Multiple difficulty levels, Hundreds of levels, Hints available, Share to get answers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 知識問答測驗

[App page](https://appshunter.io/ios/app/id6450145384)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $0.99 | one-time |


## Frequently asked questions

### Is 疯狂猜歌王 for  周杰伦 free?

疯狂猜歌王 for  周杰伦 is free to download, with no in-app purchases.

### Is 知識問答測驗 free?

知識問答測驗 is free to download, with in-app purchases available.

### Do 疯狂猜歌王 for  周杰伦 or 知識問答測驗 have ads?

知識問答測驗 shows ads; 疯狂猜歌王 for  周杰伦 does not.

### Which is updated more often, 疯狂猜歌王 for  周杰伦 or 知識問答測驗?

疯狂猜歌王 for  周杰伦 ships an update weekly, and 知識問答測驗 every 4 days. Most recently, 疯狂猜歌王 for  周杰伦 was updated on October 18, 2026 and 知識問答測驗 on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*